HELP INDEX NEXT UP PREVIOUS FEEDBACK ATG Horsetail Plumbing

STEM SECTION This picture shows a cut through the stem of a horsetail. The arrangement of the canals running up the stems is used to identify various species. Early Americans used the so-called "scouring rush" to clean cooking pots, because the plant has deposits of abrasive silica (silicon dioxide, or SiO2) in its cell walls. Silica makes the plant stems rigid and so supports a taller growth. [CH] {FG}


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